package com.qk.service.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.qk.common.PageResult;
import com.qk.dto.ClueDto;
import com.qk.dto.MarkFalseClueDto;
import com.qk.entity.Business;
import com.qk.entity.Clue;
import com.qk.entity.ClueTrackRecord;
import com.qk.mapper.BusinessMapper;
import com.qk.mapper.ClueMapper;
import com.qk.mapper.ClueTrackRecordMapper;
import com.qk.service.ClueService;
import com.qk.utils.CurrentUserHoler;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;

@Slf4j
@Service
public class ClueServiceImpl extends ServiceImpl<ClueMapper, Clue> implements ClueService {
    @Autowired
    private ClueMapper clueMapper;
    @Autowired
    private ClueTrackRecordMapper clueTrackRecordMapper;

    @Autowired
    private BusinessMapper businessMapper;

    @Override
    public PageResult<Clue> listClues(ClueDto clueDto) {
        Page<Clue> page =  clueMapper.listClues(new Page<Clue>(clueDto.getPage(), clueDto.getPageSize()), clueDto);
        return new PageResult<>(page.getTotal(), page.getRecords());
    }

    @Override
    public Clue getClueById(Integer id) {
        log.info("根据ID查询: {}", id);
        return clueMapper.getClueById(id);
    }

    @Transactional(rollbackFor = Exception.class) // 事务控制 - 默认只有运行时异常和错误才会回滚.
    @Override
    public void trackClue(Clue clue) throws Exception {
        //1. 根据ID更新线索的基本信息
        clue.setStatus(3); // 跟进中
        clue.setUpdateTime(LocalDateTime.now());
        clueMapper.updateById(clue);

        //2. 添加跟进记录 - 插入一条数据
        ClueTrackRecord clueTrackRecord = new ClueTrackRecord();
        clueTrackRecord.setClueId(clue.getId()); // 线索ID
        clueTrackRecord.setUserId(CurrentUserHoler.getCurrentUser()); // 跟进人ID - 当前登录用户ID
        clueTrackRecord.setSubject(clue.getSubject());
        clueTrackRecord.setLevel(clue.getLevel());
        clueTrackRecord.setRecord(clue.getRecord());
        clueTrackRecord.setNextTime(clue.getNextTime());
        clueTrackRecord.setType(1);
        clueTrackRecord.setCreateTime(LocalDateTime.now());
        clueTrackRecordMapper.insert(clueTrackRecord);
    }


    @Transactional(rollbackFor = Exception.class)
    @Override
    public void markFalseClue(Integer id, MarkFalseClueDto markFalseClueDto) {
        // 1. 修改线索状态为"伪线索"
        Clue clue = new Clue();
        clue.setId(id);
        clue.setStatus(4); // 状态值 4 表示伪线索
        clue.setUpdateTime(LocalDateTime.now());
        clueMapper.updateById(clue);

        // 2. 添加跟进记录
        ClueTrackRecord trackRecord = new ClueTrackRecord();
        trackRecord.setClueId(id);
        trackRecord.setUserId(CurrentUserHoler.getCurrentUser()); // 当前登录用户ID
        trackRecord.setType(0); // 类型 0 表示伪线索
        trackRecord.setFalseReason(markFalseClueDto.getReason());
        trackRecord.setRecord(markFalseClueDto.getRemark());
        trackRecord.setCreateTime(LocalDateTime.now());
        clueTrackRecordMapper.insert(trackRecord);
    }

    /**
     * 线索转商机
     *
     * @param id
     */
    @Transactional(rollbackFor = Exception.class)
    @Override
    public void toBusiness(Integer id) {
        //1.根据ID跟新线索状态 (转为商机)
        Clue clue = clueMapper.selectById(id);

        clue.setStatus(5);
        clue.setUpdateTime(LocalDateTime.now());
        clueMapper.updateById(clue);

        //2.保存商机信息 (根据 线索  组装  商机信息)
        Business business = new Business();
        BeanUtils.copyProperties(clue, business);
        business.setId( null);
        business.setUserId(null);
        business.setStatus(1);  //待分配
        business.setClueId( id);
        business.setNextTime( null);
        business.setCreateTime(LocalDateTime.now());
        business.setNextTime( LocalDateTime.now());

        businessMapper.insert(business);

    }

}